CN103093994A

CN103093994A - Key assembly and mobile terminal having the same

Info

Publication number: CN103093994A
Application number: CN201210431631XA
Authority: CN
Inventors: 郑在俊
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2011-11-03
Filing date: 2012-11-01
Publication date: 2013-05-08
Anticipated expiration: 2032-11-01
Also published as: KR20130049089A; US9029722B2; EP2590387A1; KR101873410B1; CN103093994B; EP2590387B1; US20130114199A1

Abstract

The invention provides a key assembly and a mobile terminal having the same. The mobile terminal includes a terminal body, and a manipulating portion disposed on one side surface of the terminal body, wherein the manipulating portion includes: a substrate having a first contact point and a second contact point; and a conductive dome configured to conduct the first and second contact points when being pressed, wherein the first and second contact points are spaced from each other on the substrate in a first direction, and wherein the second contact point portion is not disposed in a second direction crossing the first direction. Under these configurations, the mobile terminal can have more various designs.

Description

Key asembly and the mobile terminal with key asembly

Technical field

The disclosure relates to mobile terminal, relates to particularly a kind of mobile terminal with input unit.

Background technology

Mobile terminal is the equipment that can carry and possess one or more of functions, and described function is for example to carry out voice and video call communication, input and output information, storage data etc.

Recently, along with the variation further that becomes of the function of mobile terminal, mobile terminal may show as multimedia player or have such as writing memorandum, sending and receiving e-mail and this type of the equipment of several functions of calendar management.

In order to realize input information and this type of several functions of execution, mobile terminal is provided with input unit.Input unit is embodied as various ways, for example dome switch (dome switch), touch pad and adjusting knob (jog wheel).

The input unit that is embodied as dome switch is used for coming input message by pressure, and this pressure can put on keypad, the Home key with QWERT type keyboard, the side switch that is used for the control volume etc.

In the situation that dome switch is applied to side switch, may go wrong when realizing the outward appearance of mobile terminal according to the size that is formed with the substrate of contact patterns.Therefore, can consider a kind of method of the substrate for the manufacture of having smaller szie.

Summary of the invention

Therefore, an aspect of detailed description is to provide a kind of key asembly, and in the structure of this key asembly, substrate has small size.

In order to realize the purpose of the present invention of the concrete enforcement herein of these and other advantages and basis and generalized description, the invention provides a kind of key asembly, this key asembly comprises: substrate, it has the first spaced contact and the second contact; And the conduction dome, it is configured to contact the first contact and the second contact when being pressed, and wherein, a side of the second contact and the first contact separates, but is not arranged to around the periphery of the first contact.

According to an embodiment of the invention, can be formed with a plurality of the second contacts.And these a plurality of second contacts can separate with two sides of the first contact under the state between these a plurality of second contacts in the first contact arrangement.

According to an embodiment of the invention, the conduction dome can be coupled to substrate by dome sheet.

According to an embodiment of the invention, substrate can be implemented as flexible circuit board (FPCB).

According to an embodiment of the invention, the conduction dome can comprise: variant part, and it is by being out of shape to contact the first contact because of pressure; And contact site, it contacts at least one in a plurality of the second contacts.Contact site can be formed on two sides of variant part.

According to an embodiment of the invention, key asembly can also comprise the key main body, and this strong main body is configured to crimp section.

According to an embodiment of the invention, key asembly can also comprise ring part, and this ring part is formed around the first contact.In addition, described ring part can be divided into the first area that is furnished with the second contact and the second area of not arranging the second contact.

According to an embodiment of the invention, second area can be the zone of substrate outside.

According to an embodiment of the invention, the conduction dome can be formed has first curvature (firstcurvature) and torsion (second curvature).First curvature can be formed near a side of substrate, and at least a portion of first curvature can be arranged in second area.In addition, torsion can be formed and contact the second contact.

In order to realize the purpose of the present invention of the concrete enforcement herein of these and other advantages and basis and generalized description, the present invention also provides a kind of mobile terminal, and this mobile terminal comprises: terminal body; And be arranged on the section that controls on a side of this terminal body, wherein, this section of controlling comprises: the substrate with the first contact and second contact; And conduction dome, it is configured to when being pressed contact the first contact and the second contact, wherein, the second contact on first direction with substrate on the first contact separate, and wherein, the second contact section is not arranged on the second direction of intersecting with first direction.

The present invention can have following advantage.

Mobile terminal has less area because consist of the key asembly of the side switch on the side that is formed on mobile terminal, so can have more diversified design.

By detailed description given below, more range of applicability of the application will become more clear.Yet, it should be understood that, although detailed description and instantiation show the preferred embodiment of the present invention, but they only provide in illustrative mode, because according to detailed description, the variations and modifications that fall in the spirit and scope of the invention will become obvious to those skilled in the art.

Description of drawings

Accompanying drawing is included provides a further understanding of the present invention, and is merged in and consists of the part of this specification, the accompanying drawing illustration illustrative embodiments, and be used from together with explanatory note one and explain principle of the present invention.

In accompanying drawing:

Fig. 1 is the block diagram according to the mobile terminal of embodiment of the present invention;

Fig. 2 is the isometric front view according to the mobile terminal of embodiment of the present invention;

Fig. 3 is the rear isometric view of the mobile terminal of Fig. 2;

Fig. 4 is the exploded perspective view of the second main body of Fig. 2;

Fig. 5 A to Fig. 5 C is the concept map according to the key asembly of embodiment of the present invention, illustration substrate and the conduction dome;

Fig. 6 A and Fig. 6 B illustrate the substrate of Fig. 5 A to Fig. 5 C and the sectional view of the coupling access status between the conduction dome;

Fig. 7 is the concept map that is connected with the substrate of a plurality of conduction domes; And

Fig. 8 is along the sectional view of " IV-IV " line intercepting in Fig. 2.

Embodiment

Come below with reference to accompanying drawings the detailed description exemplary execution mode.Accompanying drawing concise description in order to reference, parts identical or that be equal to are denoted by the same reference numerals, and therefore will not repeat the explanation to these parts.

Explain in further detail according to mobile terminal of the present disclosure below with reference to accompanying drawings.The suffix (for example, " module " and " unit or part ") that invests the parts of wireless speaker is used for being convenient to disclosed detailed description.Therefore, these suffix do not have different implications each other.

Can comprise portable phone, smart phone, laptop computer, digital broadcast terminal, PDA(Personal Digital Assistant), portable media player (PMP), navigation system etc. according to mobile terminal of the present disclosure.Yet, it will be obvious to those skilled in the art that the disclosure also goes for the fixed terminal such as Digital Television and desktop computer.

Fig. 1 is the block diagram according to the mobile terminal of an embodiment of the invention.

Mobile terminal 100 can comprise a plurality of parts, such as wireless communication unit 110, audio/video (A/V) input unit 120, user input unit 130, sensing cell 140, output module 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal 100 with a plurality of parts, but should be appreciated that, does not need to realize illustrated all parts.Also can realize more or less parts.

The below will describe all parts successively.

Wireless communication unit 110 usually can comprise and allows at mobile terminal 100 and wireless communication system or carry out one or more parts of radio communication between mobile terminal 100 and the residing network of mobile terminal 100.For example, wireless communication unit 110 can comprise broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short-range communication module 114 and positional information module 115 etc.

Broadcast reception module 111 via broadcast channel from external broadcasting management server (or other network entities) receiving broadcast signal and/or broadcast related information.

Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be to generate and send the server of broadcast singal and/or broadcast related information or broadcast singal and/or the broadcast related information that reception generates before and the server that sends it to terminal.Broadcast related information can the finger information relevant with broadcast channel, broadcast program or broadcast service provider.Broadcast singal can comprise television broadcasting signal, radio signals and data broadcasting signal etc.In addition, broadcast singal can also comprise the broadcast singal that makes up with TV or radio signals.

Broadcast related information can also provide via mobile communications network, and in the case, broadcast related information can be received by mobile communication module 112.

Broadcast singal can exist in a variety of forms.For example, broadcast singal can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides (EPG) of DMB (DMB), hand-held digital video broadcast (DVB-H).

Broadcast reception module 111 can be configured to receive the signal that utilizes polytype broadcast system broadcasting.Specifically, broadcast reception module 111 can be utilized such as multimedia terrestrial broadcasting (DMB-T), digital multimedia satellite broadcasting (DMB-S), hand-held digital video broadcast (DVB-H), be called as media forward singular link (MediaFLO

) the digit broadcasting system of Radio Data System, integrated service DTB Digital Terrestrial Broadcasting (ISDB-T) etc. come receiving digital broadcast.Broadcast reception module 111 can be configured to not only be suitable for above-mentioned digit broadcasting system, also is suitable for providing each broadcast system of broadcast singal.

The broadcast singal and/or the broadcast related information that receive by broadcast reception module 111 can be stored in memory 160.

Mobile communication module 112 is to/at least one network entity (for example, base station, exterior terminal, server etc.) sending/receiving wireless signal from the mobile communications network.Here, wireless signal can comprise audio call signal, video call signal or meet the several data form that text/Multimedia Message is received and dispatched.

The Wi-Fi (Wireless Internet Access) that wireless Internet module 113 is supported for mobile terminal.This module can be inner or externally be connected to mobile terminal 100.The example of this Wi-Fi (Wireless Internet Access) can comprise WLAN (WLAN) (Wi-Fi), WiMAX (Wibro), worldwide interoperability for microwave access (WiMAX) and high-speed downloads grouping access (HSDPA) etc.

Short-range communication module 114 expressions are used for the module of short haul connection.Be suitable for realizing that the technology of this module can comprise bluetooth (BLUETOOTH), radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB) and ZigBee etc.

115 expressions of positional information module are used for sensing or calculate the module of the position of mobile terminal.The example of positional information module 115 can comprise global positioning system (GPS) module.

With reference to Fig. 1, A/V input unit 120 is configured to audio reception or vision signal.A/V input unit 120 can comprise

video camera

121 and 228, microphone 217 etc.

Video camera

121 and 228 is processed the static images that caught by image capture device under video capture pattern or picture catching pattern or the view data of video is processed.Picture frame after processing may be displayed on display unit 151.

Picture frame after

video camera

121 and 228 is processed can be stored in memory 160 or via wireless communication unit 110 and transmit.According to the configuration of mobile communication terminal, two or

more video cameras

121 and 228 can be set.

Microphone 217 can receive sound (Audiotex) via microphone under phone call mode, recording mode, speech recognition mode isotype, and can be voice data with these acoustic processings.Audio frequency after processing (voice) data can be converted in order exporting and can be sent to the form of mobile communication base station via mobile communication module 112 under phone call mode.Microphone 217 can carry out various forms of noises eliminations (or inhibition) algorithm and eliminate noise or the interference that (or inhibition) produces in the process of transmitting-receiving audio signal.

User input unit 130 can generate key input data to control the various operations of mobile communication terminal according to the order of user's input.User input unit 130 makes the user can input various types of information, and (for example can comprise keypad, dome switch, touch pad, touch-sensitive assembly, it detects due to the change that is touched the resistance that causes, pressure, electric capacity etc.), adjusting knob, roller switch etc.

Sensing cell 140 detects the present situation (or state) of mobile terminal 100, for example the position of the state that opens or closes of mobile terminal 100, mobile terminal 100, whether exist with the user of mobile terminal 100 and (for example contact, touch input), the acceleration or deceleration of the orientation of mobile terminal 100, mobile terminal 100 moves and reverse etc., and generates order or the signal of the operation that is used for controlling mobile terminal 100.For example, when mobile terminal 100 was embodied as the slide cover type mobile phone, sensing cell 140 can the sensing slider phones be opened or close.In addition, sensing cell 140 can detect whether power subsystem 190 powers or whether interface unit 170 couples with external device (ED).Sensing cell 140 can comprise proximity transducer 141.

Output unit 150 is configured to export with vision, the sense of hearing or tactile manner.Output unit 150 can comprise display unit 151, audio frequency output module 152, alarm unit 153, sense of touch module 154 etc.

Display unit 151 may be displayed on the information of processing in mobile terminal 100.For example, when mobile terminal 100 was in phone call mode, display unit 151 can show and user interface (UI) or the graphic user interface (GUI) called out or other communications (such as text messaging, multimedia file download etc.) are relevant.When mobile terminal 100 was in video call pattern or picture catching pattern, display unit 151 can show the image that captures and/or the image that receives, the UI of video or image and correlation function or GUI etc. are shown.

Display unit 151 can comprise with lower at least a: liquid crystal display (LCD), thin-film transistor LCD(TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.

Thereby some in these displays can be configured to transparent can see through them and see the outside, and this can be called transparent display.The representative example of transparent display can comprise transparent organic light emitting diode (TOLED) etc.The rear surface part of display unit 151 also can be implemented as optically transparent.Under this configuration, the user can see the object that is positioned at the main body back side by the zone that is occupied by the display unit 151 of main body.

According to the configuring condition of mobile terminal 100, display unit 151 quantitatively can be implemented as two or more.For example, can or be arranged in discretely on a surface a plurality of displays integral body, perhaps can be arranged on different surfaces.

Here, if display unit 151 and touch-sensitive transducer (being called touch sensor) have sandwich betwixt, this structure can be called touch-screen.Display unit 151 can be used as input unit but not output device.Touch sensor can be implemented as touch membrane, touch sheet, touch pad etc.

Touch sensor can be configured to will put on the pressure of display unit 151 specific parts change or be converted to electrical input signal from the capacitance variations of display unit 151 specific parts.In addition, touch sensor can be configured to not only sensing touch position and touch area but also sensing touch pressure.

When touch sensor sensed the touch input, respective signal was sent to the touch controller (not shown).Touch controller is processed the signal that receives, and then corresponding data is sent to controller 180.Therefore, controller 180 which zone that can sense display unit 151 has been touched.

With reference to Fig. 1, proximity transducer 141 can be arranged in being touched of mobile terminal and shield the interior zone that blocks, and perhaps is arranged near touch-screen.Proximity transducer 141 expressions need not Mechanical Contact and come sensing whether to have the transducer that approaches the object on the surface of wanting sensing or be arranged on the object of the near surface of wanting sensing for utilizing electromagnetic field or infrared ray.Comparatively speaking the life-span is longer, practicality is stronger with touch sensor for proximity transducer 141.

Proximity transducer 141 can comprise transmission-type photoelectric sensor, direct reflective photoelectric sensor, mirror surface reflecting type photoelectric sensor, higher-order of oscillation proximity transducer, capacitive proximity sensor, magnetic type proximity transducer, infrared ray proximity transducer etc.When touch-screen was embodied as capacitor type, the variation by electromagnetic field came sensing indicant (pointer) approaching to touch-screen.In the case, touch-screen (touch sensor) can classify as proximity transducer.

The below is succinct for what illustrate, indicant can be placed near touch-screen but not the state of contact be called " approach and touch ", and the state that indicant has contacted in fact touch-screen is called " contact touches ".For with indicant on touch-screen near the corresponding position of touch, the position that this position is faced perpendicular to touch-screen corresponding to indicant when indicant approach to touch.

Proximity transducer 141 sensings approach to touch and near touch mode (for example, distance, direction, speed, time, position, mobile status etc.).To sense near touch and can outputing on touch-screen near the relevant information of touch mode of sensing.

Audio frequency output module 152 can be under call signal receiving mode, call model, recording mode, speech recognition mode, broadcast reception pattern isotype will be from wireless communication unit 110 that receive or be stored in memory 160 voice data change and be output as sound.In addition, audio frequency output module 152 can provide the sense of hearing output (for example, call signal receive sound, message sink sound etc.) relevant with the performed specific function of mobile terminal 100.Audio frequency output module 152 can comprise loud speaker, buzzer etc.

Alarm unit 153 can provide output to notify the generation of the event of mobile terminal 100.Typical event can comprise calls out reception, message sink, key signals input, touch input etc.Except video or audio frequency output, alarm unit 153 can provide the output of different modes to come the generation of notification event.Vision signal or audio signal can be via

display unit

151 or 152 outputs of audio frequency output module.Therefore, display unit 151 or audio frequency output module 152 can be classified as the part of alarm unit 153.

Sense of touch module 154 generates the multiple haptic effect that the user can feel.The representative example involving vibrations of the haptic effect that sense of touch module 154 generates.The vibration that sense of touch module 154 produces can have controlled intensity, controlled pattern etc.For example, can export different vibrations according to synthesis mode or sequential system.

Sense of touch module 154 can generate various haptic effects, involving vibrations not only, also comprise with respect to the vertical mobile stitch of the skin that touches (contact) arrange, touch, the existence of jet power by spray-hole or SS or air suction, skin surface or do not exist with the contacting of electrode, such as the effect of the stimulation of electrostatic force, utilize the reproduction of the cold or hot sensation of heat sink or heat-releasing device realization, etc.

Sense of touch module 154 can be configured to by user's direct contact or utilize user's muscular sensation of finger or hand to send haptic effect (signal).According to the configuration of mobile terminal 100, sense of touch module 154 quantitatively may be implemented as two or more.

Memory 160 can store for the treatment of with the program of controlling controller 180.Alternatively, memory 160 can be stored input/output data (for example, telephone book data, message, still image, video etc.) temporarily.In addition, memory 160 can be stored the data relevant with audio frequency output with various vibration modes when touching input are arranged on touch-screen.

Memory 160 can utilize the suitable storage medium of any type to realize, comprises flash type, hard disk type, miniature multimedia card, memory card type (for example SD or DX memory), random-access memory (ram), static RAM (SRAM), read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read-only memory (prom), magnetic storage, CD etc.In addition, mobile terminal 100 can the operational network memory, and network memory is the memory function of execute store 160 on the internet.

Interface unit 170 generally can be implemented as mobile terminal is connected with external device (ED).Interface unit 170 can allow to transmit electric power from external device (ED) receive data, all parts to mobile terminal 100, perhaps from mobile terminal 100 to the external device (ED) the transmission of data.Interface unit 170 for example can comprise wired/radio headpiece port, external charger port, wire/wireless FPDP, memory card port, the port that is used for coupling the device with identification module, audio frequency I/O (I/O) port, video i/o port, ear port etc.

Identification module can be configured to license for authentication storage the chip of the required various information of mobile terminal 100, and this chip can comprise subscriber identification module (UIM), subscriber's identification module (SIM), general subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to as " recognition device ") that has an identification module can be implemented as the type of smart card.Therefore, recognition device can be coupled to mobile terminal 100 via port.

In addition, interface unit 170 can be when mobile terminal 100 be connected to external source (cradle) as 100 paths that electric power is provided from external source to mobile terminal, perhaps as the user is sent to the path of mobile terminal 100 from the various command signals of source input.Can serve as for identification mobile terminal 100 from the various command signals of source input or electric power and be installed to exactly the signal in source.

Controller 180 is controlled the overall operation of mobile terminal 100 usually.For example, controller 180 carries out control and the processing relevant with call, data communication, video call etc.Controller 180 can comprise multi-media module 181, and this multi-media module 181 provides multimedia.Multi-media module 181 can be configured to the part of controller 180 or be configured to independent parts.

Thereby controller 180 can carry out pattern identification to be processed writing or drawing of inputting and is identified as text or image on touch-screen.

Power subsystem 190 is used for powering to all parts by reception external power or internal power under the control of controller 180.

Each execution mode described herein can utilize for example software, hardware or its some combination and realize in computer-readable medium.

Realize for hardware, execution mode described herein can be realized in following one or more: application-specific integrated circuit (ASIC) (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, be designed to carry out other electronic units or the combination of their selectivity of function described herein.In some cases, these execution modes are realized by controller 180.

Realize for software, the execution mode such as process and function can come together to realize together with a plurality of independent software modules, and each software module is carried out at least one function and operation.Software code can be implemented as the software application of writing with any suitable programming language.In addition, software code can be stored in memory 160 and by controller 180 and carry out.

Fig. 2 is the isometric front view according to the mobile terminal of one embodiment of the present invention.

With reference to Fig. 2, mobile terminal 100 comprises that the second main body 220 and the first main body 210, the first main bodys 210 are coupled to the second main body 220, thereby carries out relative sliding along at least one direction.

The first main body 220 and the second main body 210 are arranged to the state that overlaps each other can be called " closed configuration ".As shown in Figure 2, the second main body 220 can be called " opening configuration " with the state that one or more parts of the first main body 210 expose.

Mobile terminal 100 works in standby mode under closed configuration.Yet, according to controlling of user, can remove standby mode.Mobile terminal 100 works in call model etc. opening under configuration.Yet according to controlling or the passage of time of user, call model can change standby mode into.

The housing that forms the outward appearance of the first main body 210 can comprise the first fore shell 211 and the first back cover 212.Various types of electronic units are contained in by in the first fore shell 211 and the first back cover 212 formed space.Between the first fore shell 211 and the first back cover 212, at least one middle casing can be set further.These housings can form by injection mo(u)lding synthetic resin, perhaps can utilize such as the metal material of stainless steel (STS) or titanium (Ti) and make.

The first fore shell 211 places in the first main body 210 can arrange display unit 151, the first audio output unit 214 and first user input unit 216.

Display unit 11 comprises liquid crystal display (LCD) or all shows Organic Light Emitting Diode (OLED) of information etc. with visual means.Display unit 151 can be provided with sandwich overlapping touch pad with it.Under this configuration, display unit 151 can serve as touch-screen, allows thus user's input of touch manner.

The first audio frequency output module 214 can be implemented as receiver or loud speaker.First user input unit 216 can be provided with enter key, as rocking bar keys, touch pad, tracking ball, TrackPoint (pointing stick) and finger mouse.

The housing that forms the outward appearance of the second main body 220 can comprise the second fore shell 221 and the second back cover 222.The second user input unit 223 can be arranged on the front surface of the second fore shell 221 of the second main body 220.

On at least one of the second fore shell and the second back cover, the 3rd user input unit 300 and microphone 217 can be set.

The second user input unit 223 is configured to input the order for the operation of controlling mobile terminal, that is, and and such as order, numeral, text or the symbol etc. of beginning, end and rolling.The second user input unit 223 can be implemented as QWERY type keyboard.QWERY type keyboard can comprise the key button of arranging in the QWERY mode, and has shown the key information (for example, text, numeral, symbol etc.) that is used for the key input on these key buttons.The key button can be arranged on dome switch.

The second user input unit 223 can comprise the unit of any type that can control with user's tactile manner.For example, user input unit 130,223 and 300 can be implemented as dome switch or touch pad, to receive pressing or order or the information of touch operation of user.Alternatively, user input unit can be implemented as the knob for rotation key, perhaps adjusting knob or roller switch.

The 3rd user input unit 300 can be served as the hot key for the specific function that starts mobile terminal.

Microphone 217 can be to realize for the appropriate format of the voice of inputting the user, other sound etc.

On at least one that can be in the first main body 210 and the second main body 220, slide sensor 243 is set.When the first main body 210 and the second main body 220 were slided in preset range, slide sensor 243 this slips of sensing came the output sensing signal thus.

Fig. 3 is the rear isometric view of the mobile terminal of Fig. 2.

With reference to Fig. 3, the second image input unit 228, four-function family input unit and power subsystem 190 can be arranged on the rear surface of the second back cover of the second main body 220.

The second image input unit 228 has the seizure direction with the first image input unit 121 opposite way, and can have the pixel different from the pixel of the first image input unit 121.

For example, the first image input unit 121 can come work with relatively less pixel (lower resolution).Therefore, can catch its face facial and that will catch the user when being sent to the calling party under the video call isotype, the first image input unit 121 can be of great use.On the other hand, the second image input unit 228 can come work with relatively many pixels (higher resolution), thereby helps picture that the user obtains better quality for future use.Photoflash lamp 229 can be arranged near the second image input unit 228 extraly.When utilizing the second image input unit 228 to catch object, photoflash lamp 229 provides light to this object.

Four-function family input unit can be implemented as roller, and can serve as the key of the specific function (for example, rolling) for mobile terminal.

Interface 170 can be as the passage of mobile terminal 100 of the present disclosure with the external device (ED) swap data.For example, interface 170 can be implemented as with lower at least one: be used for earphone is connected to the wire/wireless connectivity port of mobile terminal, the short haul connection port is used for to power supply port of portable terminal power supply etc.Interface 170 can utilize draw-in groove to configure (such as being used for being connected to storage card, subscriber's identification module (SIM) card, subscriber identification module (UIM) card etc.).

Power supply unit 190 can be rechargeable battery, for example, is removably mounted on the second main body 220 and charges.

The part that slidably the first main body 210 and the second main body 220 is coupled to each other of sliding block is arranged on the first back cover place of the first main body 210.Another part of this sliding block can be arranged on the second fore shell place of the second main body 220, thereby outside not being exposed to.

As shown in Figure 3, slide sensor 243 is arranged in the first main body 210 and the second main body 220 one.

Alternatively, slide sensor 243 can be arranged in the hinge place that the first main body 210 and the second main body 220 are joined to one another.

Fig. 4 is the exploded perspective view of the second main body 220 of Fig. 2.

As shown in Figure 4, the second main body 220 can have the outward appearance through assembling each other when the second fore shell 221 and the second back cover 222.

The second main body 220 can be provided with the second user input unit 223 and control part 300.

Can in the second fore shell 221 and the second back cover 222, first circuit board 241 and second circuit board 251 be set respectively.

Various types of parts have been installed, the processor that for example is associated with the wireless signal of handle mobile terminal on first circuit board 241.And, be formed with on second circuit board 252 for the contact patterns that receives the key input.In Fig. 4, first circuit board 241 and second circuit board 251 are separated from one another.Yet the present invention is not limited to this situation.That is to say, first circuit board 241 and second circuit board 251 can form each other.Alternatively, first circuit board 241 and second circuit board 251 can have more than two-layer structure.

In order to reduce the thickness of mobile terminal, and make and assembling process in order to simplify, second circuit board 251 can be implemented as flexible circuit board.

In the case, second circuit board 251 can comprise: keyboard substrate and substrate 310, keyboard substrate have a plurality of keys 253 of coupling and consist of the second user input unit 223 on the upper surface that is arranged on the second main body 220; Substrate 310 extends and consists of from keyboard substrate controls part 300 on the side surface that is arranged on the second main body 220.

Even the second user input unit 223 and controlling on the diverse location that part 300 is arranged on mobile terminal, they also can be connected to the single second circuit board 251 in the second main body 220.In addition, second circuit board 251 can extend, and makes the miscellaneous part of mobile terminal, and such as antenna, microphone etc. can be connected with second circuit board 251.

Fig. 5 A to Fig. 5 C is the concept map according to the key asembly of embodiment of the present invention, illustration substrate and the conduction dome.Fig. 6 A and Fig. 6 B illustrate the substrate of Fig. 5 A to Fig. 5 C and the sectional view of the connection status between the conduction dome.

Fig. 5 A is the plan view of conduction dome, and Fig. 5 B is the plan view of substrate, and Fig. 5 C is along the sectional view of Fig. 5 B " V-V ' " line intercepting.

Key asembly has consisted of the aforesaid section 300 that controls, and the below will describe in more detail.

Substrate 310 and 310 ' can be implemented as flexible circuit board, thereby reduces the integral thickness of mobile terminal.Alternatively, substrate 310 and 310 ' can be implemented as rigid printed circuit boards.Substrate 310 and 310 ' can comprise one or more insulating barrier 311,315 and 316 or conductive layer.

Insulating barrier 311,315 and 316 can not only serve as insulating material and serve as the bottom substrate that can be formed with conductive pattern.Insulating barrier 311,315 and 316 can be made by the plastics such as flexible polyamide.

Conductive layer can be become by the copper with superior ductility, and the contact can be connected to each other by this conductive layer.

Contact patterns is formed on each the surface of

substrate

310 and 310 '.Contact patterns can be spaced the first contact 312 and the second contact 313.

As shown in Fig. 5 A to Fig. 5 C, the middle body of conduction dome 320 owing to being pressed this middle body of the first contact 312 contact conduction domes 320 during strain.Usually, the first contact 312 forms circle.

A side of the first contact 312 on the second contact 313 and substrate 310 separates.The edge of the second contact 313 contact conduction domes 320.The second contact 313 can not be arranged on another side of the first contact 312.For example, the second contact 313 can be formed on the right side of the first contact 312 on plate 310, but can not be formed on left side, upside and the downside of the first contact 312.

If the first contact 312 on substrate 310 and 310 ' and the 312 ' and second contact 313 and 313 ' are spaced apart from each other on first direction (D1), the second contact 313 and 313 ' can not be arranged on the second direction (D2) of intersecting with first direction (D1).

Thereby in the situation that spaced apart first contact 312 that surrounds in annular section and the first contact 312, annular section can be divided into the first area (R1) that is provided with the second contact 313 and the second area (R2) that the second contact 313 is not set.Second area (R2) can be formed in the zone of substrate 310 outsides.

In this embodiment of the invention, the second contact 313 is not set to around the periphery of the first contact 312, and only is formed on presumptive area (R1 or R3).In the case, can reduce the area of

substrate

310 and 310 '.Because substrate 310 and 310 ' is set to a side that is parallel to terminal body, so substrate 310 is relevant with the thickness of terminal body with 310 ' area.Therefore, if the area of substrate 310 and 310 ' has reduced, terminal body can become more slim.

In Fig. 5 B, the second annular of contact 313 for partly being cut.Yet the shape of the second contact 313 is not limited to this.Namely, the second contact 313 can have various shapes.

The second contact 313 can be configured to always contact conduction dome 320.

Different from the embodiment described above, the second contact 313 can form a plurality of, and these a plurality of second contacts 313 can be arranged under state between these a plurality of second contacts 313 spaced apart with two sides of the first contact 312 in the first contact 312.Owing to being formed with a plurality of contacts, so the key input can be received better.

Conduction dome 320 is made by elastic metallic material, thereby then conduction dome 320 turns back to original shape because pressure is out of shape when pressure is removed.Thereby dome sheet 330 can be attached to the upper surface of conduction dome 320 has constant position with respect to the contact.Conduction dome 320 can be couple to substrate 310 and 310 ' by dome sheet 330.

Conduction dome 320 can comprise by the variant part 321 that contacts with the first contact 312 because of pressure distortion and with the second contact 313 at least one contacted contact site 322.Namely, variant part 321 can be the middle section of conduction dome, and contact site 322 can make the fringe region of conduction dome 320.

Contact site 322 can be formed on two sides of variant part 321.

Conduction dome 320 can be provided with first curvature (C1) and torsion (C2).First curvature (C1) and torsion (C2) can be mutually the same, also can differ from one another.

As shown in Fig. 5 A, first curvature can be the single curvature of a curve on horizontal direction in curve, and torsion can be the single curvature of a curve on vertical direction in curve.

The elastic force of conduction dome 320 can be by controlling first curvature respectively and torsion is controlled.More specifically, if first curvature less than torsion, the center direction of first curvature press the conduction dome 320 may than press in the center direction of torsion the conduction dome 320 be more prone to.Therefore, can control conduction dome 320 according to the deformation rate of each position.As a result, the key input can more easily be carried out.

The dome sheet that the dome 320 that is used for conducting electricity is couple to substrate 310 and 310 ' can be implemented as the insulating trip with insulation attribute.

Fig. 6 A and Fig. 6 B illustrate the substrate of Fig. 5 A to Fig. 5 C and the sectional view of the coupling access status between the conduction dome.The key asembly corresponding to an execution mode of Fig. 6 A is different from the key asembly corresponding to another execution mode of Fig. 6 B.

In the key asembly of Fig. 6 A, insulating barrier 315 serves as bottom substrate, and the first contact 312 and the second contact 313 are formed on insulating barrier 315.Another insulating barrier 311 can be formed on the outside of the second contact 313.Described another insulating barrier 311 can form and limit the second contact 313, and supports the side of the conduction dome 320 that couples with it.

The part that being configured to of dome sheet 330 covers conduction dome 320 can be coupled to described another insulating barrier 311.

In the key asembly of Fig. 6 B, the first insulating barrier 315 serves as bottom substrate, and the first contact 312 and the second contact 313 are formed on the first insulating barrier 315.Yet the first contact 312 is extended and is had predetermined area, has covered bottom substrate, and the second insulating barrier 316 is arranged between the first contact 312 and the second contact 313.The 3rd insulating barrier 31 can be formed on the outside of the second contact 313.The 3rd insulating barrier 311 can form and limit the second contact 313, and supports the side of the conduction dome 320 that couples with it.

The part that being configured to of dome sheet 330 covers conduction dome 320 can be coupled to the 3rd insulating barrier 311.

Aforementioned embodiments is only corresponding to upward forming the example of contact at

substrate

310 and 310 '.Substrate 310 and 310 ' can comprise insulating barrier and conductive layer, and can form in many ways.

Fig. 7 is the concept map that has connected the substrate of a plurality of conduction domes 320.

Conduction dome 320 can form a plurality of, and the first contact 312 and the second contact 313 can form accordingly with conduction dome 320.Dome sheet 330 can form and cover conduction dome 320, and light guide sheet 350 can form covering dome sheet 330.

Can luminescent device 351 be installed to substrate 310 at close light guide sheet 350 places.This can allow the section that controls 300 luminous due to pressure.Controlling the key main body 340 of section 300 can be made by translucent or transparent material.

Fig. 8 is along the sectional view of Fig. 2 " IV-IV " line intercepting.

The second main body 220 can comprise the second fore shell 221 and the second back cover 222, and battery case 227 can be mounted to mobile terminal, thereby covers the second bonnet 222.

Framework 290 is formed the inside of supporting terminal body.In the situation that slide type mobile terminal, keyboard substrate 251 is attached to the upper surface of framework 290, and circuit board can be attached to the lower surface of framework 290.In the situation that board-type, rotary-type, folded form, flip-type mobile terminal, this framework can serve as the shell of the outward appearance that forms display module.

Framework 290 is provided with support portion 291, and extend in this side from the parallel sided of mobile terminal support portion 291, and substrate 310 is coupled to support portion 291.In addition, conduction dome 320 is coupled to substrate 310.Under this configuration, when can being pressed in the section of controlling, supports framework 290 section that controls.

Battery case 227 can be formed the bend at end towards terminal body.Therefore, the thickness of battery case 227 reduces gradually towards the end of terminal body.

Because thickness reduces, the size of controlling the key asembly of section will be minimized.In the present invention, only be formed on due to the second contact 313 on a side of the first contact 312, so the area of substrate 310 can be very little.

Therefore, terminal body can have the unique look with arcuate profile, and slim.

Above-mentioned execution mode and advantage are only exemplary, should not be construed as the disclosure is construed as limiting.This teaching can easily be applied to the equipment of other types.This specification is intended to carry out illustration and the scope of unrestricted claim.A lot of replacements, variants and modifications are obvious for a person skilled in the art.The feature of illustrative embodiments described herein, structure, method and other characteristics can make up to obtain illustrative embodiments other and/or alternative according to variety of way.

Because current feature can be implemented according to various ways under the condition that does not break away from its characteristic, so should also be appreciated that, except as otherwise noted, above-mentioned execution mode is not subject to the restriction of any details of above-mentioned specification, but still should carry out the understanding of broad sense in the claims limited range, therefore, falling into all changes in the boundary of claim and scope and modification or their equivalents all is intended to be contained by claims.

Claims

1. key asembly, this key asembly comprises:

Substrate;

Be positioned at the first contact on described substrate;

The second contact that is positioned on described substrate and separates with described the first contact, this second contact are arranged to not the whole outer perimeter around described the first contact; And

Conduction dome, this conduction dome are configured to described the first contact of contact and described the second contact when being pressed.

2. key asembly according to claim 1, wherein, described the second contact has been formed a plurality of, and these a plurality of second contacts are arranged such that described the first contact is arranged between these a plurality of second contacts.

3. key asembly according to claim 1, wherein, described conduction dome is coupled to described substrate by dome sheet.

4. key asembly according to claim 1, wherein, described substrate is flexible circuit board.

5. key asembly according to claim 1, wherein, described conduction dome comprises:

Variant part, this variant part are configured to described the first contact of contact when being out of shape because of pressure; And

Contact the contact site of described the second contact, described contact site has been formed a plurality of, and these a plurality of contact sites are arranged such that described variant part is arranged between these a plurality of contact sites.

6. key asembly according to claim 5, this key asembly also comprises the key main body, this key main body is configured to push described variant part.

7. key asembly according to claim 1, this key asembly also comprises ring part, and this ring part is formed around described the first contact, and this ring part is divided into the first area that is furnished with described the second contact and the second area of not arranging described the second contact.

8. key asembly according to claim 7, wherein, described ring part makes described second area extend to outside described substrate greater than described substrate.

9. key asembly according to claim 7, wherein, described conduction dome is formed has first curvature and torsion, described first curvature is formed to such an extent that be arranged in described second area place near at least a portion of a side of described substrate and described first curvature, and described torsion is formed contact described the second contact.

10. mobile terminal, this mobile terminal comprises:

Terminal body; And

Be arranged on the section that controls on a side of described terminal body, this section of controlling comprises:

Substrate, this substrate extend upward on first direction and perpendicular to the second party of described first direction;

Be positioned at the first contact on described substrate;

The second contact, this second contact is positioned on described substrate, and separates with described the first contact on described first direction and separate with the central point of described the first contact, and described the second contact is not arranged to and intersects with described second direction; And

Conduction dome, this conduction dome are configured to described the first contact of contact and described the second contact when being extruded.

11. mobile terminal according to claim 10, wherein, the described section of controlling is mounted to one or more through hole that forms on a described side of described terminal body, and

Wherein, described terminal body also comprises the key main body, and this key main body is configured to push described conduction dome.

12. mobile terminal according to claim 11, wherein, described conduction dome is coupled to described substrate by dome sheet.

13. mobile terminal according to claim 12, wherein, described substrate also comprises at least one luminescent device, and,

Wherein, described key main body is made by transparent or semitransparent material, makes the light that sends from described luminescent device pass described key main body.

14. mobile terminal according to claim 13, wherein, described the first contact, described the second contact, described conduction dome and described key main body all are formed with a plurality of, and these a plurality of conduction domes are covered by single dome sheet.

15. mobile terminal according to claim 14, this mobile terminal also comprises light guide sheet, and this light guide sheet is configured to cover described dome sheet.

16. mobile terminal according to claim 10, wherein, the thickness of described terminal body reduces gradually towards being provided with the described zone of controlling section.

17. mobile terminal according to claim 10, this mobile terminal also comprises:

The first main body with display part; And

Have described the second main body of controlling section, described the second main body is connected to described the first main body movably, to allow the relative motion with respect to described the first main body.

18. mobile terminal according to claim 10, wherein, described the second contact has been formed a plurality of, and these a plurality of second contacts are arranged such that described the first contact is arranged between these a plurality of second contacts.

19. mobile terminal according to claim 10, wherein, described substrate is embodied as flexible circuit board.

20. mobile terminal according to claim 10, wherein, described conduction dome comprises:

21. mobile terminal according to claim 10, this mobile terminal also comprises ring part, this ring part is formed around described the first contact, and this ring part is divided into the first area that is furnished with described the second contact and the second area of not arranging described the second contact.

22. mobile terminal according to claim 21, wherein, described ring part makes described second area extend to outside described substrate greater than described substrate.

23. mobile terminal according to claim 21, wherein, described conduction dome is formed has first curvature and torsion, described first curvature is formed to such an extent that be arranged in described second area place near at least a portion of a side of described substrate and described first curvature, and described torsion is formed contact described the second contact.